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NAICS
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Official North American industry classification system for business reporting and analysis.

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Established U.S. industry classification system widely used across business, reporting, analytics, and cross-dataset comparability.

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Standard classification systems used to organize industries, products, occupations, and business identifiers across U.S. and global datasets

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What Is a NAICS 8-Digit Code?
All NAICS SIC Companies
SIC 6-Digit NAICS 8-Digit ISIC (International) NACE (Europe) SOC (Occupations) CIP (Programs) Extended SOC (O*NET)

NAICS 8-Digit Codes for "naics:81391"

Extended NAICS codes provide more specific industry categories within official 6-digit NAICS classifications, supporting more precise industry segmentation, market research, and business targeting. For official NAICS classification, use the 6-digit NAICS code.

Search this keyword in SIC 6-Digit codes.

companies

Verified U.S. companies available for purchase in this industry. Counts are based on primary business classifications.

Industry NAICS 8-Digit U.S. companies Add

Ancsa Native Corporations

Parent: Business Associations

 Extended NAICS 813910-01 companies 8companies

Associations

Parent: Business Associations

 Extended NAICS 813910-02 companies 34,961companies

Better Business Bureaus

Parent: Business Associations

 Extended NAICS 813910-03 companies 99companies

Business & Trade Organizations

Parent: Business Associations

 Extended NAICS 813910-04 companies 4,502companies

Chambers Of Commerce

Parent: Business Associations

 Extended NAICS 813910-05 companies 4,683companies

Farm Organizations

Parent: Business Associations

 Extended NAICS 813910-06 companies 771companies

Lumber-Inspectors

Parent: Business Associations

 Extended NAICS 813910-07 companies 2companies

Oil Well Log Libraries

Parent: Business Associations

 Extended NAICS 813910-08 companies 5companies

Sales Organizations

Parent: Business Associations

 Extended NAICS 813910-09 companies 217companies

Shippers Cooperative Organizations

Parent: Business Associations

 Extended NAICS 813910-10 companies —

Farm & Home Advisory Service

Parent: Business Associations

 Extended NAICS 813910-11 companies 4companies

Livestock Recording Associations

Parent: Business Associations

 Extended NAICS 813910-12 companies 4companies

Women's Associations

Parent: Business Associations

 Extended NAICS 813910-13 companies 25companies

Motoring Organizations

Parent: Business Associations

 Extended NAICS 813910-14 companies 55companies

Associations-Theater Owners

Parent: Business Associations

 Extended NAICS 813910-15 companies 6companies

Cattleman's Associations

Parent: Business Associations

 Extended NAICS 813910-16 companies 18companies

Other classifications

Search "naics:81391" in SIC 6-Digit codes →

Sources & methodology

NAICS definitions: U.S. Census Bureau, 2022

SIC definitions: OSHA SIC Manual

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